OK

Universal Words (also okay) exclamation, adjective, adverb, noun, verb exclamation (informal) 1 yes; all right: 'Shall we go for a walk?' 'OK.' 2 used to attract sb's attention or to introduce a comment: Okay, let's go. 3 used to check that sb agrees with you or understands you: The meeting's at 2, OK? * I'll do it my way, OK? 4 used to stop people arguing with you or criticizing you: OK, so I was wrong. I'm sorry. adjective, adverb (spoken) 1 safe and well; in a calm or happy state: Are you OK? 2 ~ (for sb) (to do sth) all right; satisfactory; in a satisfactory way: Is it OK if I leave now? * Is it OK for me to come too? * Does my hair look okay? * I think I did OK in the exam. * Whatever you decide, it's okay by me. * an okay movie noun [sing.] (informal) permission: I'm still waiting for the boss to give me the OK. verb (OK's, OK'ing, OK'd, OK'd) [VN] (informal) to officially agree to sth or allow it to happen: She filled in an expenses claim and her manager OK'd it.